1858497616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{991}}^1$

素因数の和:1248

約数の個数: 80

約数和(自身を含む): 3936256000

約数和(自身を除く): 2077758384

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 199, 248, 304, 398, 496, 589, 796, 991, 1178, 1592, 1982, 2356, 3184, 3781, 3964, 4712, 6169, 7562, 7928, 9424, 12338, 15124, 15856, 18829, 24676, 30248, 30721, 37658, 49352, 60496, 61442, 75316, 98704, 117211, 122884, 150632, 197209, 234422, 245768, 301264, 394418, 468844, 491536, 583699, 788836, 937688, 1167398, 1577672, 1875376, 2334796, 3155344, 3746971, 4669592, 6113479, 7493942, 9339184, 12226958, 14987884, 24453916, 29975768, 48907832, 59951536, 97815664, 116156101, 232312202, 464624404, 929248808, 1858497616]

約数ペア:

[(1, 1858497616), (2, 929248808), (4, 464624404), (8, 232312202), (16, 116156101), (19, 97815664), (31, 59951536), (38, 48907832), (62, 29975768), (76, 24453916), (124, 14987884), (152, 12226958), (199, 9339184), (248, 7493942), (304, 6113479), (398, 4669592), (496, 3746971), (589, 3155344), (796, 2334796), (991, 1875376), (1178, 1577672), (1592, 1167398), (1982, 937688), (2356, 788836), (3184, 583699), (3781, 491536), (3964, 468844), (4712, 394418), (6169, 301264), (7562, 245768), (7928, 234422), (9424, 197209), (12338, 150632), (15124, 122884), (15856, 117211), (18829, 98704), (24676, 75316), (30248, 61442), (30721, 60496), (37658, 49352)]